Rewterz Threat Alert – Remcos RAT – Active IOCs

Severity

Medium

Analysis Summary

Remcos malware has been operating since 2016. This RAT was originally promoted as genuine software for remote control of Microsoft Windows from XP onwards, and is frequently found in phishing attempts due to its capacity to completely infect an afflicted machine. Remcos malware attacks Windows systems and provides the attacker complete control over the machine.It is frequently distributed by malicious documents or archive files that contain scripts or executables. Remcos, like other RATs, offers the threat actor complete access over the infected PCs which allow them to record keystrokes, passwords, and other critical information. Remcos incorporates various obfuscation and anti-debugging techniques to evade detection. Regular updates of its features by its creators make this malware a challenging adversary.

Impact

• Information Commands
• Backdoor Theft
• Credential Theft 
• User Information Theft

Indicators of Compromise

MD5

• ec17dd4d9de488e34d509cb669370181
• e040670bac3e2ee10dc266c6bf6c07d9
• 12e6cd7b5a93a2fed042ff785b861914
• 54742ff0d4e7f7d73e832a5a2fcd888f
• cdadf831a95733ffa3d1366741482341

SHA-256

• 73d386ff784ebd8adfb9fe2cede484e4662ef4a36e45421164046123938f252f
• 2b05753bc632ec1b4f66631be14ddd5757a56cb5d1593b7c86f386b3e8672968
• 86f904bd34599c076037e60fdc6e3773d26255bcbb60bdd3782dba976ed81d3b
• 57a1f5b06c6a51e304ef3a87da08d202c0fab63726682c98c0f258e04590bb23
• e49958b7e02a747c5a20a08f8b199a2d1b69db119b78290220def02311fee60e

SHA-1

• 9527536cc966cf6a6f08dffb24486182f675dede
• 5a63414e2485bce19531562cbf033a83bcc2580e
• a25b6ed104d41f87d16c61477d863f551547103a
• 6ed81aa52dd8129e896e999983caf98ce8842730
• 5da7a9cf83f4e51927808557e1a1d69d3f4052b8

Remediation

• Block all threat indicators at their respective controls.
• Search for IOCs in your environment.